Kimia bantu jawab yaaaaaaaaa​

arielwunschulv – April 02, 2023

bantu jawab yaaaaaaaaa​

Penjelasan:

pH= 8

POH= 6

OH- = 10^-6.

n NH4OH= 100 X 0,2=20.

n (NH4)2SO4= 500 X 0,02

= 10.

OH- = Kb x nb/ ng. b

10^-6.= Kb x (20/10. 2)

10^-6= Kb x 1

Kb= 10^-6 / 1

Kb= 10^-6

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